nūhou

ʻO Clinoptolite ke kumu o ka mineral silicate alumini i loaʻa ka sodium, potassium, a me ka calcium i loko o ka ʻohana zeolite, me nā kristal i ke ʻano o nā papa aniani. ʻO Zeolite kekahi o nā mineral zeolite nui loa. He aniani kona kristal a hiki ke lilo i ʻeleʻele a ʻulaʻula paha ma muli o nā haumia. ʻO Zeolite kahi metala alkali hydrated aluminosilicate hiki ke hana ma ke ʻano he kānana molekala ma hope o ka dehydration, e unuhi koho ana i ka nitrogen mai ka lewa a hoʻonui i ka oxygen. Hiki ke hoʻohana ʻia ʻo Zeolite ma ke ʻano he mea hoʻololi ion no ka mālama ʻana i nā ʻōpala nuklea, a he mea hoʻopiha a hoʻonui hoʻi i ka ʻoihana hana pepa.

Ma muli o ka hana makahiki o kahi 3 miliona tone o ka zeolite kūlohelohe ma ka honua holoʻokoʻa, ʻoi aku ma mua o 80% o ka hana zeolite o ka honua i hana ʻia me nā minela zeolite kūlohelohe ʻano clinoptilolite. Ma waho aʻe o nā mea kūlohelohe, ua hoʻopilikino ʻia nā zeolite synthetic he nui a puni ka honua no ka hoʻomohala ʻana i nā kekona cationic. Eia naʻe, a hiki i kēia manawa, ua ʻike ʻia a synthesized ʻia he 232 mau zeolite synthetic me kēia mau ʻano, no laila ke nīnau nei ka nui o nā kānaka ʻepekema zeolite no ke aha i ʻike ʻia ai kahi hapa liʻiliʻi o nā mea hiki. ʻO ka zeolite kūlohelohe kahi kumuwaiwai me nā waihona nui, ʻo ia ka crystalline hydrated aluminosilicate me kahi ʻano skeletal, nona nā pores i noho ʻia e ka wai, alkali, a me nā cation metala alkaline honua. Ma muli o ko lākou hiki ke cationic kiʻekiʻe a me nā ʻano o nā sieves molecular, ua hoʻohana nui ʻia nā zeolite kūlohelohe ma ke ʻano he adsorbents no nā cations i ka hoʻokaʻawale ʻana a me nā papa hana maʻemaʻe i nā makahiki he ʻumi i hala.

ʻEkolu ʻano o ka moʻo clinoptilolite. Ua kapa ʻia ʻo Clinoptilolite K, clinoptilolite Na, a me clinoptilolite Ca ma muli o ko lākou mau mea nui. Hoʻololi ʻia kēia mau mea i ka wā o ka hoʻololi cation, he mea maikaʻi ia no nā metala kaumaha, nā mea ʻawahia, ka ammonia, a me nā mea ʻē aʻe i ʻoi aku ka huki ʻana i nā minelala.

He kiʻekiʻe iki ka hiki ke hoʻololi o nā cations NH4 i loko o nā pōhaku clinoptilolite, a hiki i ka clinoptilolite ke hoʻololi koho i kekahi mau metala kaumaha, e kūpono ai no ka wehe ʻana i nā ion metala kaumaha.

1. Hana Adsorption. He ʻili ākea ko Zeolite (500-1000 mika kuea/gram) a hiki ke hoʻoulu i ka ikaika hoʻolaha nui, e lilo ia i mea adsorbent maikaʻi loa. Nui nā pores a me nā kahawai like like i loko o nā kristal zeolite, nona nā diameters pololei a paʻa (ma kahi o 3-11A) ma lalo o kekahi mau kūlana kino a me kemika. Hiki ke adsorbed ʻia nā mea liʻiliʻi ma mua o kēia diameter e lākou, ʻoiai ʻaʻole i hoʻokomo ʻia nā mea i ʻoi aku ka nui ma mua o kēia diameter. Ua kapa ʻia kēia hanana he hopena "molecular sieve", akā ʻaʻole hiki i nā zeolites āpau ke hana ma ke ʻano he sieves molecular.

2. Hana catalytic. Ma muli o kona ʻili adsorption nui, hiki i ka zeolite ke hoʻokipa i ka nui o nā mea i adsorbed ʻia, hiki ke hoʻoulu i nā hopena kemika ma kona ʻili. No laila, lawelawe ka zeolite ma ke ʻano he catalyst maikaʻi a me ka mea lawe catalytic.

3. Ke kūpaʻa wela. Pili ka kūpaʻa wela o ka pōhaku zeolite i nā mea e like me ke ʻano o nā cations i loko o ka pōhaku zeolite, ka lakio silicon aluminum o ka zeolite, a me ke ʻano kūloko o ka zeolite.

4. Ke kūpaʻa ʻakika. He kūpaʻa maikaʻi ko Zeolite i ka ʻakika. Eia kekahi, loaʻa i ka zeolite nā waiwai hana e like me ka hana kemika, ka radiation infrared mamao, a me ka dehydration hiki ke hoʻohuli ʻia

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Ka manawa hoʻouna: Pepeluali-26-2024